Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD9GH callsign genealogy
Currently held by Seidl, Robert
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AD9GH's current licensee, walking backwards.
- Seidl, RobertWIgranted 2025-01-03cancelled 2025-03-11
Successor callsigns
Callsigns held now by people who previously held AD9GH.
No current licensee on record previously held this callsign.